"Monster Mash" is a 1962 novelty song by Bobby "Boris" Pickett....wikipedia - 31 Oct 2020
"Monster Mash" is a 1962 novelty song by Bobby "Boris" Pickett. The song was released as a single on Gary S. Paxton's Garpax Records label in August 1962 along with a full-length LP called The Original Monster Mash, which contained several other monster-themed tunes. The "Monster Mash" single was number one on the Billboard Hot 100 chart on October 20–27 of that year, just before Halloween. It has been a perennial Halloween favorite ever since.